Thank you Dr. Deepak, for your answer. I feel so much better with the answer you wrote to me, because I was stressing myself out. As I wrote I am an identical twin with my sister, and we are extremely close. When she told me about the mitral valve leak, I became a basket case. I wonder if I have a slight murmur like my sister also, I will soon find out i 2 weeks when I go to see my doctor, in fact he is a new doctor also that I am going to see, because I used the same doctor as my sister previous, who had retired. I too have a very good cholesterol, like my sister. I was wondering if I have the same as her,since we both have the same DNA, in fact we had it done a few weeks ago, and we got the results back today. And it was 99.99%/My sister' HDL is 82, LDL 99, & triglyserides 45. Mine is HDL 77,LDL 113, and triglyserides is 55. Her's is better than mine.